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Finding the Fourth Proportional to 267,245.59, 400,578.54 and 133,804.03

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Solution

The fourth proportional to 267,245.59, 400,578.54 and 133,804.03 is: 200,560.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,245.59 : 400,578.54 = 133,804.03 : x
  2. Step 2: Convert to fraction form
    267,245.59/400,578.54 = 133,804.03/x
  3. Step 3: Cross multiply
    267,245.59x = 400,578.54 × 133,804.03
  4. Step 4: Simplify right side
    267,245.59x = 53,599,022,983.52
  5. Step 5: Solve for x
    x = 53,599,022,983.52/267,245.59
  6. Step 6: Final answer
    x = 200,560.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.